From 85cb6f256341b262ef4f0f67ddba034bea3033b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Wed, 9 Mar 2022 01:34:31 +0100
Subject: refactor(test): use tokio::sync::mpsc::unbounded_channel (#13881)

This causes to block one less thread when running "deno test"
subcommand.
---
 cli/tools/test.rs | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'cli/tools')

diff --git a/cli/tools/test.rs b/cli/tools/test.rs
index 7e673fac4..74646986d 100644
--- a/cli/tools/test.rs
+++ b/cli/tools/test.rs
@@ -50,11 +50,11 @@ use std::collections::HashSet;
 use std::io::Write;
 use std::num::NonZeroUsize;
 use std::path::PathBuf;
-use std::sync::mpsc::channel;
-use std::sync::mpsc::Sender;
 use std::sync::Arc;
 use std::time::Duration;
 use std::time::Instant;
+use tokio::sync::mpsc::unbounded_channel;
+use tokio::sync::mpsc::UnboundedSender;
 
 /// The test mode is used to determine how a specifier is to be tested.
 #[derive(Debug, Clone, PartialEq)]
@@ -445,7 +445,7 @@ async fn test_specifier(
   permissions: Permissions,
   specifier: ModuleSpecifier,
   mode: TestMode,
-  channel: Sender<TestEvent>,
+  channel: UnboundedSender<TestEvent>,
   options: TestSpecifierOptions,
 ) -> Result<(), AnyError> {
   let mut worker = create_main_worker(
@@ -793,7 +793,7 @@ async fn test_specifiers(
     specifiers_with_mode
   };
 
-  let (sender, receiver) = channel::<TestEvent>();
+  let (sender, mut receiver) = unbounded_channel::<TestEvent>();
   let concurrent_jobs = options.concurrent_jobs;
   let fail_fast = options.fail_fast;
 
@@ -822,12 +822,12 @@ async fn test_specifiers(
     create_reporter(concurrent_jobs.get() > 1, log_level != Some(Level::Error));
 
   let handler = {
-    tokio::task::spawn_blocking(move || {
+    tokio::task::spawn(async move {
       let earlier = Instant::now();
       let mut summary = TestSummary::new();
       let mut used_only = false;
 
-      for event in receiver.iter() {
+      while let Some(event) = receiver.recv().await {
         match event {
           TestEvent::Plan(plan) => {
             summary.total += plan.total;
-- 
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